<template>
    <div class="icons">
        <swiper :options="swiperOption" v-if="showIcons">
            <swiper-slide v-for="(page,index) of pages" :key="index">
                <div class="icon" v-for="item of page" :key="item.id">
                    <div class="icon-img">
                        <img :src="item.imgUrl">
                    </div>
                    <p>{{item.desc}}</p>
                </div>
            </swiper-slide>
        </swiper>
    </div>
</template>

<script>
export default {
  name: 'HomeIcons',
  props: {
    list: Array
  },
  data: function () {
    return {
      swiperOption: {
        loop: true,
        autoplay: false
      }
    }
  },
  computed: {
    pages () {
      const pages = []
      this.list.forEach((item, index) => {
        const page = Math.floor(index / 8)
        if (!pages[page]) {
          pages[page] = []
        }
        pages[page].push(item)
      })
      return pages
    },
    showIcons () {
      return this.list.length
    }
  }
}
</script>

<style lang="stylus" scoped>
@import '~styles/varibles.styl'
@import '~styles/mixins.styl'
.icons >>>.swiper-container {
    height:0;
    padding-bottom:50%;
}
.icons{margin-top:.1rem}
.icon{
    float:left;
    width:25%;
    height:0;
    padding-bottom:25%;
    overflow:hidden;
    position:relative;
    p{
        position :absolute;
        left:0;
        right:0;
        bottom:0;
        height:.44rem;
        line-height :.44rem;
        text-align:center;
        color:$darkTextColor;
        ellipsis();
    }
}
.icon-img{
    position :absolute;
    top:0;
    left:0;
    right:0;
    bottom:.44rem;
    box-sizing:border-box;
    padding:.1rem;
    img{
        height:100%;
        display:block;
        margin:0 auto;
    }
}

</style>
